Henrich Valkošák
Scaling complex systems efficiently
Based in Nitra, West Slovakia.Projects
-
2019
BrawlifyThe biggest Brawl Stars community app.
Acquired by Tribe Gaming in Jan 2026- Up to 20M page views a month
- Up to 2B requests a month
- <$100 infra a month
How it’s built 68 tags
Code & interfaces
Code & interfaces
- Languages
TypeScript- SQL
Python
Bash- JavaScript & Node.js
PHP
- Frameworks
SvelteKit- Astro
- PWAs
Tailwind CSS
- Quality
- Internationalisation
- Web performance
- SEO
- Mobile
- Google Play
- Game & graphics
- Browser rendering
- Asset formats
- Asset extraction
Backend & data
Backend & data
- Platforms
- Cloudflare Workers
- Durable Objects
Hono
- APIs
- Supercell API
- API design
- API integrations
- Features
- Discord bots
- Payments
- Stripe
- Image rendering
- Push notifications
- OneSignal
Mailgun
- Databases
- D1
- MongoDB
- MySQL
- Storage
- Object storage
- Workers KV
- Pipelines
- ETL
- Data curation
- Analytics & search
- Analytics
- Google Analytics
- Microsoft Clarity
- Search
Infrastructure & security
Infrastructure & security
- Cloud
- DNS
- Workflows & Queues
- DigitalOcean
- CDN
- AWS
- Oracle Cloud
- Servers
- Linux servers
- Delivery
- Migrations
- Testing
Vitest- CI/CD
- GitHub Actions
- Operations
- Monitoring
- Datadog
- Access
- Secrets management
- Zero Trust
- Authentication
- Defence
- App security
AI & product
AI & product
- Building with AI
- AI coding agents
- Claude Code
- Prompt engineering
- AI in products
- Local models
- LLM translation
- Product & collaboration
- Technical writing
- Community
- Ad monetisation
Read about it brawlify.com -
2026
Vynes.skTrash pickup reminders in Slovakia. Web, iOS & Android.
- 2,926 municipalities
- 98.1% covered for 2026
- AI transcribed
How it’s built 41 tags
Code & interfaces
Code & interfaces
- Languages
- TypeScript
- SQL
- Python
- Swift
Kotlin
- Frameworks
- SvelteKit
- Quality
- Internationalisation
- Web performance
- SEO
- Accessibility
- Interfaces
- Design systems
- Web maps
- Mobile
- SwiftUI
- TestFlight
- Google Play
- Jetpack Compose
- Offline-first
Backend & data
Backend & data
- Platforms
- Cloudflare Workers
- Hono
- APIs
- API design
- Databases
- D1
- Storage
- Object storage
- Pipelines
- Data curation
- Benchmarking
- Web scraping
- Analytics & search
- Analytics
Infrastructure & security
Infrastructure & security
- Cloud
- DNS
- Delivery
- Vitest
- CI/CD
- Playwright
- Access
- Secrets management
- Zero Trust
- Defence
- App security
- Privacy by design
AI & product
AI & product
- Building with AI
- AI coding agents
- Claude Code
- Prompt engineering
- Agent orchestration
- AI in products
- Model evaluation
- AI data extraction
- Product & collaboration
- Technical writing
Read about it vynes.sk -
2026Tribe GamingShaping internal infrastructure & new projects.
Still Brawlify’s lead since the acquisitionHow it’s built 30 tags
Code & interfaces
Code & interfaces
- Languages
- TypeScript
- SQL
- Frameworks
- SvelteKit
- Astro
- Quality
- Web performance
- Accessibility
Backend & data
Backend & data
- Platforms
- Cloudflare Workers
- WordPress
- APIs
- Supercell API
- API integrations
- Features
- Resend
- Databases
- D1
- Storage
- Workers KV
- Pipelines
- ETL
Infrastructure & security
Infrastructure & security
- Cloud
- DNS
- Workflows & Queues
- Servers
- Linux servers
- Delivery
- Migrations
- Testing
- Vitest
- CI/CD
- Playwright
- Operations
- Datadog
- Access
- Secrets management
- Defence
- Incident response
AI & product
AI & product
- Building with AI
- AI coding agents
- Claude Code
- Product & collaboration
- Teamwork
- Creator tools
Read about it tribegaming.gg -
How it’s built 2 tags
-
2026
Dashcam ProcessingA Raspberry Pi pipeline that ingests dashcam clips into a NAS and streams them to the phone.
How it’s built 30 tags
Code & interfaces
Code & interfaces
- Languages
- TypeScript
- Python
- Bash
- Swift
- Mobile
- SwiftUI
- TestFlight
Backend & data
Backend & data
- APIs
- API design
- API integrations
- Databases
- SQLite
- Pipelines
- ETL
- Benchmarking
- Video processing
Infrastructure & security
Infrastructure & security
- Servers
- Linux servers
- Private networking
- Tailscale
- Home lab
- Delivery
- Testing
- Operations
- Monitoring
- Reliability
- Backups
- Access
- Secrets management
- Zero Trust
- Defence
- Linux hardening
- Embedded & IoT
- Raspberry Pi
- Bluetooth LE
- Protocol analysis
AI & product
AI & product
- Building with AI
- AI coding agents
- AI in products
- Local models
- Model evaluation
- Computer vision
Read about it -
My first successful project and how I learned to code: a Clash Royale response bot with rich embeds.
How it’s built 25 tags
Code & interfaces
Code & interfaces
- Languages
- TypeScript
- SQL
- Bash
- JavaScript & Node.js
- Quality
- Internationalisation
Backend & data
Backend & data
- Platforms
- Cloudflare Workers
- Durable Objects
- APIs
- Supercell API
- Features
- Discord bots
- Payments
- Stripe
- Image rendering
- Databases
- D1
- MongoDB
- Storage
- Object storage
- Workers KV
Infrastructure & security
Infrastructure & security
- Cloud
- DigitalOcean
- Delivery
- Migrations
- Operations
- Monitoring
- Datadog
- Reliability
- Backups
- Access
- Secrets management
- Defence
- App security
AI & product
AI & product
- Product & collaboration
- Technical writing
Supercell Creators
Deck Shop Discord botBuilding with frontier AI.
Powerful & intelligent tools are exciting
Get in touch
I’m very open to challenging and ambitious work. My weekend projects are probably more complex than what you have in mind.
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